Formalin is:

(1) formaldehyde

(2) formaldehyde+methanol

(3) formaldehyde+methanol+water

(4) formaldehyde+water

फार्मेलीन है:

1. फार्मेल्डिहाइड

2. फार्मेल्डिहाइड + मेथनॉल

3. फार्मेल्डिहाइड + मेथनॉल + जल 

4. फार्मेल्डिहाइड + जल 

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Reactant (A) in this reaction is : 

1. 

2.

3. 

4. Both (2) and (3)

इस अभिक्रिया में अभिकारक (A) है:

1. 

2.

3. 

4. दोनों (2) और (3)

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Among acetic acid, phenol and n-hexanol which one of the following compound will react with NaHCO3 solution to give sodium salt and CO2?                                             

1. Acetic acid

2. n-hexanol

3. Acetic acid and phenol

4. Phenol

एसीटिक अम्ल, फीनॉल और n-हेक्सेनॉल के मध्य, निम्नलिखित यौगिक में से कौन सोडियम लवण और CO2 देने के लिए NaHCO3 विलयन के साथ अभिक्रिया करेगा?

1. एसीटिक अम्ल

2. n-हेक्सेनॉल

3. एसीटिक अम्ल और फीनॉल 

4. फीनॉल 

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In a set of reaction propionic acid yielded a compound D.

CH3CH2COOHSOCl2 BNH3 CBr2KOH

The structure of D would be

1. CH3CH2NHCH3

2. CH3CH2NH2

3. CH3CH2CH2NH2

4. CH3CH2CONH2

अभिक्रिया के एक समूह में प्रोपिओनिक अम्ल ने एक यौगिक D का उत्पादन किया।

CH3CH2COOHSOCl2 BNH3 CBr2KOH

D की संरचना होगी

1. CH3CH2NHCH3

2. CH3CH2NH2

3. CH3CH2CH2NH2

4. CH3CH2CONH2

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Acetaldehyde reacts with PCl5, to give:

(1) ethyl chloride

(2) ethylene chloride

(3) ethylidene dichloride

(4) trichloroacetaldehyde

एसिटैल्डिहाइड PClके साथ अभिक्रिया कर, देता है:

1. एथिल क्लोराइड

2. एथिलीन क्लोराइड

3. एथिलिडीन डाइक्लोराइड

4. ट्राइक्लोरोएसिटैल्डिहाइड

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Identify the product (c) in the series

CH3CNNa/C2H5OHAHNO2BKMnO4,H+C

1. CH3COOH

2. CH3CH2NHOH

3. CH3CONH2

4. CH3CHO

श्रृंखला में उत्पाद (C) को पहचानिए 

CH3CNNa/C2H5OHAHNO2BKMnO4,H+C

1. CH3COOH

2. CH3CH2NHOH

3. CH3CONH2

4. CH3CHO

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Which of the following acid is most easily decarboxylate :-

(1)

(2)

(3)

(4)

निम्नलिखित में से कौन सा अम्ल सबसे आसानी से विकार्बोक्सिलीकृत होता है:- 

(1)

(2)

(3)

(4)

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The compound which on reduction with LiAlH4 gives two diffrent alcohols:

1. CH3COOCH3                         

2.  CH3COOC2H5

3. CH3COCH3                           

4.  CH3CHO

यौगिक जो LiAlH4 के साथ अपचयन पर दो भिन्न एल्कोहॉल देता है:

1. CH3COOCH3

2. CH3COOC2H5

3. CH3COCH3  

4. CH3CHO

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CH3-cCHdil.H2SO4HgSO4(A)

CH3-cCH(2)H2SO4/HO-(1)BH3THF(B)

Product (A) and (B) is differentiated by:

1. 2-4 DNP

2. NaOI

3. Na-metal

4. NaHSO3

CH3-cCHतनु H2SO4HgSO4(A)

CH3-cCH(2)H2SO4/HO-(1)BH3THF(B)

उत्पाद (A) और (B) द्वारा विभेदित किया जाता है:

1. 2-4 DNP

2. NaOI

3. Na-धातु 

4. NaHSO3

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The end products of following reaction would be,

(1)  
(2)
(3)
(4)

निम्नलिखित अभिक्रिया के अंतिम उत्पाद होंगे,

(1)  
(2)
(3)
(4)

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